Finding the Fourth Proportional to 76,327.32, 105,338.17 and 42,346.74

Step by Step Solution

1. Step 1: Write the proportion equation
   76,327.32 : 105,338.17 = 42,346.74 : x
2. Step 2: Convert to fraction form
   76,327.32/105,338.17 = 42,346.74/x
3. Step 3: Cross multiply
   76,327.32x = 105,338.17 × 42,346.74
4. Step 4: Simplify right side
   76,327.32x = 4,460,728,097.07
5. Step 5: Solve for x
   x = 4,460,728,097.07/76,327.32
6. Step 6: Final answer
   x = 58,442.09