Finding the Fourth Proportional to 287,973.94, 432,043.82 and 88,323.61

Step by Step Solution

1. Step 1: Write the proportion equation
   287,973.94 : 432,043.82 = 88,323.61 : x
2. Step 2: Convert to fraction form
   287,973.94/432,043.82 = 88,323.61/x
3. Step 3: Cross multiply
   287,973.94x = 432,043.82 × 88,323.61
4. Step 4: Simplify right side
   287,973.94x = 38,159,669,860.59
5. Step 5: Solve for x
   x = 38,159,669,860.59/287,973.94
6. Step 6: Final answer
   x = 132,510.84