Finding the Fourth Proportional to 109,443.25, 164,012.39 and 61,368.74

Step by Step Solution

1. Step 1: Write the proportion equation
   109,443.25 : 164,012.39 = 61,368.74 : x
2. Step 2: Convert to fraction form
   109,443.25/164,012.39 = 61,368.74/x
3. Step 3: Cross multiply
   109,443.25x = 164,012.39 × 61,368.74
4. Step 4: Simplify right side
   109,443.25x = 10,065,232,591.78
5. Step 5: Solve for x
   x = 10,065,232,591.78/109,443.25
6. Step 6: Final answer
   x = 91,967.60