Finding the Fourth Proportional to 149,393, 224,155.69 and 78,298.72

Step by Step Solution

1. Step 1: Write the proportion equation
   149,393 : 224,155.69 = 78,298.72 : x
2. Step 2: Convert to fraction form
   149,393/224,155.69 = 78,298.72/x
3. Step 3: Cross multiply
   149,393x = 224,155.69 × 78,298.72
4. Step 4: Simplify right side
   149,393x = 17,551,103,607.72
5. Step 5: Solve for x
   x = 17,551,103,607.72/149,393
6. Step 6: Final answer
   x = 117,482.77