Finding the Fourth Proportional to 111,352.50, 153,667.26 and 61,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,352.50 : 153,667.26 = 61,051.50 : x
2. Step 2: Convert to fraction form
   111,352.50/153,667.26 = 61,051.50/x
3. Step 3: Cross multiply
   111,352.50x = 153,667.26 × 61,051.50
4. Step 4: Simplify right side
   111,352.50x = 9,381,616,723.89
5. Step 5: Solve for x
   x = 9,381,616,723.89/111,352.50
6. Step 6: Final answer
   x = 84,251.51