Finding the Fourth Proportional to 113,096.27, 156,075.48 and 64,702.76

Step by Step Solution

1. Step 1: Write the proportion equation
   113,096.27 : 156,075.48 = 64,702.76 : x
2. Step 2: Convert to fraction form
   113,096.27/156,075.48 = 64,702.76/x
3. Step 3: Cross multiply
   113,096.27x = 156,075.48 × 64,702.76
4. Step 4: Simplify right side
   113,096.27x = 10,098,513,543.95
5. Step 5: Solve for x
   x = 10,098,513,543.95/113,096.27
6. Step 6: Final answer
   x = 89,291.30