Finding the Fourth Proportional to 76,109.02, 105,035.70 and 42,118.93

Step by Step Solution

1. Step 1: Write the proportion equation
   76,109.02 : 105,035.70 = 42,118.93 : x
2. Step 2: Convert to fraction form
   76,109.02/105,035.70 = 42,118.93/x
3. Step 3: Cross multiply
   76,109.02x = 105,035.70 × 42,118.93
4. Step 4: Simplify right side
   76,109.02x = 4,423,991,295.80
5. Step 5: Solve for x
   x = 4,423,991,295.80/76,109.02
6. Step 6: Final answer
   x = 58,127.03