Finding the Fourth Proportional to 113,529.08, 156,670.18 and 65,810.18

Step by Step Solution

1. Step 1: Write the proportion equation
   113,529.08 : 156,670.18 = 65,810.18 : x
2. Step 2: Convert to fraction form
   113,529.08/156,670.18 = 65,810.18/x
3. Step 3: Cross multiply
   113,529.08x = 156,670.18 × 65,810.18
4. Step 4: Simplify right side
   113,529.08x = 10,310,492,746.43
5. Step 5: Solve for x
   x = 10,310,492,746.43/113,529.08
6. Step 6: Final answer
   x = 90,818.08