Finding the Fourth Proportional to 156,593.59, 216,099.72 and 84,973.61

Step by Step Solution

1. Step 1: Write the proportion equation
   156,593.59 : 216,099.72 = 84,973.61 : x
2. Step 2: Convert to fraction form
   156,593.59/216,099.72 = 84,973.61/x
3. Step 3: Cross multiply
   156,593.59x = 216,099.72 × 84,973.61
4. Step 4: Simplify right side
   156,593.59x = 18,362,772,892.07
5. Step 5: Solve for x
   x = 18,362,772,892.07/156,593.59
6. Step 6: Final answer
   x = 117,263.89