Finding the Fourth Proportional to 77,692,849.52, 107,216,116.16 and 42,885,530.88

Step by Step Solution

1. Step 1: Write the proportion equation
   77,692,849.52 : 107,216,116.16 = 42,885,530.88 : x
2. Step 2: Convert to fraction form
   77,692,849.52/107,216,116.16 = 42,885,530.88/x
3. Step 3: Cross multiply
   77,692,849.52x = 107,216,116.16 × 42,885,530.88
4. Step 4: Simplify right side
   77,692,849.52x = 4,598,020,060,413,347
5. Step 5: Solve for x
   x = 4,598,020,060,413,347/77,692,849.52
6. Step 6: Final answer
   x = 59,182,023.68