Finding the Fourth Proportional to 113,558.13, 156,675.53 and 65,802.25

Step by Step Solution

1. Step 1: Write the proportion equation
   113,558.13 : 156,675.53 = 65,802.25 : x
2. Step 2: Convert to fraction form
   113,558.13/156,675.53 = 65,802.25/x
3. Step 3: Cross multiply
   113,558.13x = 156,675.53 × 65,802.25
4. Step 4: Simplify right side
   113,558.13x = 10,309,602,393.94
5. Step 5: Solve for x
   x = 10,309,602,393.94/113,558.13
6. Step 6: Final answer
   x = 90,787.00