Finding the Fourth Proportional to 61,301.84, 91,903.88 and 56,381.36

Step by Step Solution

1. Step 1: Write the proportion equation
   61,301.84 : 91,903.88 = 56,381.36 : x
2. Step 2: Convert to fraction form
   61,301.84/91,903.88 = 56,381.36/x
3. Step 3: Cross multiply
   61,301.84x = 91,903.88 × 56,381.36
4. Step 4: Simplify right side
   61,301.84x = 5,181,665,002.25
5. Step 5: Solve for x
   x = 5,181,665,002.25/61,301.84
6. Step 6: Final answer
   x = 84,527.08