Finding the Fourth Proportional to 70,658.48, 97,411.28 and 56,366.82

Step by Step Solution

1. Step 1: Write the proportion equation
   70,658.48 : 97,411.28 = 56,366.82 : x
2. Step 2: Convert to fraction form
   70,658.48/97,411.28 = 56,366.82/x
3. Step 3: Cross multiply
   70,658.48x = 97,411.28 × 56,366.82
4. Step 4: Simplify right side
   70,658.48x = 5,490,763,803.90
5. Step 5: Solve for x
   x = 5,490,763,803.90/70,658.48
6. Step 6: Final answer
   x = 77,708.49