Finding the Fourth Proportional to 149,048.58, 223,355.52 and 69,111

Step by Step Solution

1. Step 1: Write the proportion equation
   149,048.58 : 223,355.52 = 69,111 : x
2. Step 2: Convert to fraction form
   149,048.58/223,355.52 = 69,111/x
3. Step 3: Cross multiply
   149,048.58x = 223,355.52 × 69,111
4. Step 4: Simplify right side
   149,048.58x = 15,436,323,342.72
5. Step 5: Solve for x
   x = 15,436,323,342.72/149,048.58
6. Step 6: Final answer
   x = 103,565.72