Finding the Fourth Proportional to 60,465, 83,435.92 and 56,006.76

Step by Step Solution

1. Step 1: Write the proportion equation
   60,465 : 83,435.92 = 56,006.76 : x
2. Step 2: Convert to fraction form
   60,465/83,435.92 = 56,006.76/x
3. Step 3: Cross multiply
   60,465x = 83,435.92 × 56,006.76
4. Step 4: Simplify right side
   60,465x = 4,672,975,546.82
5. Step 5: Solve for x
   x = 4,672,975,546.82/60,465
6. Step 6: Final answer
   x = 77,283.97