Finding the Fourth Proportional to 231,003,803.25, 318,785,248.49 and 133,218,659.25

Step by Step Solution

1. Step 1: Write the proportion equation
   231,003,803.25 : 318,785,248.49 = 133,218,659.25 : x
2. Step 2: Convert to fraction form
   231,003,803.25/318,785,248.49 = 133,218,659.25/x
3. Step 3: Cross multiply
   231,003,803.25x = 318,785,248.49 × 133,218,659.25
4. Step 4: Simplify right side
   231,003,803.25x = 42,468,143,391,849,792
5. Step 5: Solve for x
   x = 42,468,143,391,849,792/231,003,803.25
6. Step 6: Final answer
   x = 183,841,749.77