Finding the Fourth Proportional to 76,852.19, 106,056.61 and 42,862.91

Step by Step Solution

1. Step 1: Write the proportion equation
   76,852.19 : 106,056.61 = 42,862.91 : x
2. Step 2: Convert to fraction form
   76,852.19/106,056.61 = 42,862.91/x
3. Step 3: Cross multiply
   76,852.19x = 106,056.61 × 42,862.91
4. Step 4: Simplify right side
   76,852.19x = 4,545,894,291.89
5. Step 5: Solve for x
   x = 4,545,894,291.89/76,852.19
6. Step 6: Final answer
   x = 59,151.13