Finding the Fourth Proportional to 78,320.00, 108,081.69 and 42,510.00

Step by Step Solution

1. Step 1: Write the proportion equation
   78,320.00 : 108,081.69 = 42,510.00 : x
2. Step 2: Convert to fraction form
   78,320.00/108,081.69 = 42,510.00/x
3. Step 3: Cross multiply
   78,320.00x = 108,081.69 × 42,510.00
4. Step 4: Simplify right side
   78,320.00x = 4,594,553,126.91
5. Step 5: Solve for x
   x = 4,594,553,126.91/78,320.00
6. Step 6: Final answer
   x = 58,663.86