Finding the Fourth Proportional to 429,772,978.24, 592,665,377.18 and 272,867,680.19

Step by Step Solution

1. Step 1: Write the proportion equation
   429,772,978.24 : 592,665,377.18 = 272,867,680.19 : x
2. Step 2: Convert to fraction form
   429,772,978.24/592,665,377.18 = 272,867,680.19/x
3. Step 3: Cross multiply
   429,772,978.24x = 592,665,377.18 × 272,867,680.19
4. Step 4: Simplify right side
   429,772,978.24x = 161,719,226,600,155,264
5. Step 5: Solve for x
   x = 161,719,226,600,155,264/429,772,978.24
6. Step 6: Final answer
   x = 376,289,889.75