Finding the Fourth Proportional to 156,761.98, 216,393.57 and 109,043.02

Step by Step Solution

1. Step 1: Write the proportion equation
   156,761.98 : 216,393.57 = 109,043.02 : x
2. Step 2: Convert to fraction form
   156,761.98/216,393.57 = 109,043.02/x
3. Step 3: Cross multiply
   156,761.98x = 216,393.57 × 109,043.02
4. Step 4: Simplify right side
   156,761.98x = 23,596,208,381.38
5. Step 5: Solve for x
   x = 23,596,208,381.38/156,761.98
6. Step 6: Final answer
   x = 150,522.52