Finding the Fourth Proportional to 92,320.16, 127,410.72 and 58,784

Step by Step Solution

1. Step 1: Write the proportion equation
   92,320.16 : 127,410.72 = 58,784 : x
2. Step 2: Convert to fraction form
   92,320.16/127,410.72 = 58,784/x
3. Step 3: Cross multiply
   92,320.16x = 127,410.72 × 58,784
4. Step 4: Simplify right side
   92,320.16x = 7,489,711,764.48
5. Step 5: Solve for x
   x = 7,489,711,764.48/92,320.16
6. Step 6: Final answer
   x = 81,127.59