Finding the Fourth Proportional to 1,515,023,150.52, 2,092,175,894.34 and 1,432,485,638.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,023,150.52 : 2,092,175,894.34 = 1,432,485,638.76 : x
2. Step 2: Convert to fraction form
   1,515,023,150.52/2,092,175,894.34 = 1,432,485,638.76/x
3. Step 3: Cross multiply
   1,515,023,150.52x = 2,092,175,894.34 × 1,432,485,638.76
4. Step 4: Simplify right side
   1,515,023,150.52x = 2,997,011,922,401,909,248
5. Step 5: Solve for x
   x = 2,997,011,922,401,909,248/1,515,023,150.52
6. Step 6: Final answer
   x = 1,978,195,462.80