Finding the Fourth Proportional to 112,422.96, 155,139.06 and 61,437.39

Step by Step Solution

1. Step 1: Write the proportion equation
   112,422.96 : 155,139.06 = 61,437.39 : x
2. Step 2: Convert to fraction form
   112,422.96/155,139.06 = 61,437.39/x
3. Step 3: Cross multiply
   112,422.96x = 155,139.06 × 61,437.39
4. Step 4: Simplify right side
   112,422.96x = 9,531,338,322.88
5. Step 5: Solve for x
   x = 9,531,338,322.88/112,422.96
6. Step 6: Final answer
   x = 84,781.06