Finding the Fourth Proportional to 99,780.54, 149,626.89 and 37,407.30

Step by Step Solution

1. Step 1: Write the proportion equation
   99,780.54 : 149,626.89 = 37,407.30 : x
2. Step 2: Convert to fraction form
   99,780.54/149,626.89 = 37,407.30/x
3. Step 3: Cross multiply
   99,780.54x = 149,626.89 × 37,407.30
4. Step 4: Simplify right side
   99,780.54x = 5,597,137,962.30
5. Step 5: Solve for x
   x = 5,597,137,962.30/99,780.54
6. Step 6: Final answer
   x = 56,094.48