Finding the Fourth Proportional to 101,393.48, 139,933.51 and 58,374.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,393.48 : 139,933.51 = 58,374.50 : x
2. Step 2: Convert to fraction form
   101,393.48/139,933.51 = 58,374.50/x
3. Step 3: Cross multiply
   101,393.48x = 139,933.51 × 58,374.50
4. Step 4: Simplify right side
   101,393.48x = 8,168,547,833.89
5. Step 5: Solve for x
   x = 8,168,547,833.89/101,393.48
6. Step 6: Final answer
   x = 80,562.85