Finding the Fourth Proportional to 311,309,298.02, 466,964,833.49 and 89,998,654.13

Step by Step Solution

1. Step 1: Write the proportion equation
   311,309,298.02 : 466,964,833.49 = 89,998,654.13 : x
2. Step 2: Convert to fraction form
   311,309,298.02/466,964,833.49 = 89,998,654.13/x
3. Step 3: Cross multiply
   311,309,298.02x = 466,964,833.49 × 89,998,654.13
4. Step 4: Simplify right side
   311,309,298.02x = 42,026,206,540,139,552
5. Step 5: Solve for x
   x = 42,026,206,540,139,552/311,309,298.02
6. Step 6: Final answer
   x = 134,998,237.47