Finding the Fourth Proportional to 374,602,820.33, 562,097,978.20 and 271,819,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   374,602,820.33 : 562,097,978.20 = 271,819,432.72 : x
2. Step 2: Convert to fraction form
   374,602,820.33/562,097,978.20 = 271,819,432.72/x
3. Step 3: Cross multiply
   374,602,820.33x = 562,097,978.20 × 271,819,432.72
4. Step 4: Simplify right side
   374,602,820.33x = 152,789,153,566,889,536
5. Step 5: Solve for x
   x = 152,789,153,566,889,536/374,602,820.33
6. Step 6: Final answer
   x = 407,869,736.36