Finding the Fourth Proportional to 156,598.18, 216,068.01 and 89,513.38

Step by Step Solution

1. Step 1: Write the proportion equation
   156,598.18 : 216,068.01 = 89,513.38 : x
2. Step 2: Convert to fraction form
   156,598.18/216,068.01 = 89,513.38/x
3. Step 3: Cross multiply
   156,598.18x = 216,068.01 × 89,513.38
4. Step 4: Simplify right side
   156,598.18x = 19,340,977,884.97
5. Step 5: Solve for x
   x = 19,340,977,884.97/156,598.18
6. Step 6: Final answer
   x = 123,507.04