Finding the Fourth Proportional to 73,967.01, 102,068.96 and 42,129.69

Step by Step Solution

1. Step 1: Write the proportion equation
   73,967.01 : 102,068.96 = 42,129.69 : x
2. Step 2: Convert to fraction form
   73,967.01/102,068.96 = 42,129.69/x
3. Step 3: Cross multiply
   73,967.01x = 102,068.96 × 42,129.69
4. Step 4: Simplify right side
   73,967.01x = 4,300,133,432.77
5. Step 5: Solve for x
   x = 4,300,133,432.77/73,967.01
6. Step 6: Final answer
   x = 58,135.83