Finding the Fourth Proportional to 93,112.32, 139,582.08 and 42,473.28

Step by Step Solution

1. Step 1: Write the proportion equation
   93,112.32 : 139,582.08 = 42,473.28 : x
2. Step 2: Convert to fraction form
   93,112.32/139,582.08 = 42,473.28/x
3. Step 3: Cross multiply
   93,112.32x = 139,582.08 × 42,473.28
4. Step 4: Simplify right side
   93,112.32x = 5,928,508,766.82
5. Step 5: Solve for x
   x = 5,928,508,766.82/93,112.32
6. Step 6: Final answer
   x = 63,670.51