Finding the Fourth Proportional to 288,436.34, 432,695.52 and 88,773.37

Step by Step Solution

1. Step 1: Write the proportion equation
   288,436.34 : 432,695.52 = 88,773.37 : x
2. Step 2: Convert to fraction form
   288,436.34/432,695.52 = 88,773.37/x
3. Step 3: Cross multiply
   288,436.34x = 432,695.52 × 88,773.37
4. Step 4: Simplify right side
   288,436.34x = 38,411,838,412.56
5. Step 5: Solve for x
   x = 38,411,838,412.56/288,436.34
6. Step 6: Final answer
   x = 133,172.67