Finding the Fourth Proportional to 111,293.70, 153,592.83 and 62,878.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,293.70 : 153,592.83 = 62,878.83 : x
2. Step 2: Convert to fraction form
   111,293.70/153,592.83 = 62,878.83/x
3. Step 3: Cross multiply
   111,293.70x = 153,592.83 × 62,878.83
4. Step 4: Simplify right side
   111,293.70x = 9,657,736,870.82
5. Step 5: Solve for x
   x = 9,657,736,870.82/111,293.70
6. Step 6: Final answer
   x = 86,777.03