Finding the Fourth Proportional to 76,070.34, 104,972.76 and 42,077.61

Step by Step Solution

1. Step 1: Write the proportion equation
   76,070.34 : 104,972.76 = 42,077.61 : x
2. Step 2: Convert to fraction form
   76,070.34/104,972.76 = 42,077.61/x
3. Step 3: Cross multiply
   76,070.34x = 104,972.76 × 42,077.61
4. Step 4: Simplify right side
   76,070.34x = 4,417,002,855.90
5. Step 5: Solve for x
   x = 4,417,002,855.90/76,070.34
6. Step 6: Final answer
   x = 58,064.72