Finding the Fourth Proportional to 156,731.14, 216,436.59 and 109,114.69

Step by Step Solution

1. Step 1: Write the proportion equation
   156,731.14 : 216,436.59 = 109,114.69 : x
2. Step 2: Convert to fraction form
   156,731.14/216,436.59 = 109,114.69/x
3. Step 3: Cross multiply
   156,731.14x = 216,436.59 × 109,114.69
4. Step 4: Simplify right side
   156,731.14x = 23,616,411,422.51
5. Step 5: Solve for x
   x = 23,616,411,422.51/156,731.14
6. Step 6: Final answer
   x = 150,681.04