Finding the Fourth Proportional to 76,068.83, 104,966.90 and 42,071.91

Step by Step Solution

1. Step 1: Write the proportion equation
   76,068.83 : 104,966.90 = 42,071.91 : x
2. Step 2: Convert to fraction form
   76,068.83/104,966.90 = 42,071.91/x
3. Step 3: Cross multiply
   76,068.83x = 104,966.90 × 42,071.91
4. Step 4: Simplify right side
   76,068.83x = 4,416,158,468.58
5. Step 5: Solve for x
   x = 4,416,158,468.58/76,068.83
6. Step 6: Final answer
   x = 58,054.77