Finding the Fourth Proportional to 56,006.96, 83,816.69 and 53,681.90

Step by Step Solution

1. Step 1: Write the proportion equation
   56,006.96 : 83,816.69 = 53,681.90 : x
2. Step 2: Convert to fraction form
   56,006.96/83,816.69 = 53,681.90/x
3. Step 3: Cross multiply
   56,006.96x = 83,816.69 × 53,681.90
4. Step 4: Simplify right side
   56,006.96x = 4,499,439,112.04
5. Step 5: Solve for x
   x = 4,499,439,112.04/56,006.96
6. Step 6: Final answer
   x = 80,337.14