Finding the Fourth Proportional to 76,322.40, 105,330.02 and 42,341.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,322.40 : 105,330.02 = 42,341.69 : x
2. Step 2: Convert to fraction form
   76,322.40/105,330.02 = 42,341.69/x
3. Step 3: Cross multiply
   76,322.40x = 105,330.02 × 42,341.69
4. Step 4: Simplify right side
   76,322.40x = 4,459,850,316.18
5. Step 5: Solve for x
   x = 4,459,850,316.18/76,322.40
6. Step 6: Final answer
   x = 58,434.36