Finding the Fourth Proportional to 76,501.93, 105,572.46 and 42,510.28

Step by Step Solution

1. Step 1: Write the proportion equation
   76,501.93 : 105,572.46 = 42,510.28 : x
2. Step 2: Convert to fraction form
   76,501.93/105,572.46 = 42,510.28/x
3. Step 3: Cross multiply
   76,501.93x = 105,572.46 × 42,510.28
4. Step 4: Simplify right side
   76,501.93x = 4,487,914,834.89
5. Step 5: Solve for x
   x = 4,487,914,834.89/76,501.93
6. Step 6: Final answer
   x = 58,664.07