Finding the Fourth Proportional to 99,803.52, 149,661.48 and 37,430.28

Step by Step Solution

1. Step 1: Write the proportion equation
   99,803.52 : 149,661.48 = 37,430.28 : x
2. Step 2: Convert to fraction form
   99,803.52/149,661.48 = 37,430.28/x
3. Step 3: Cross multiply
   99,803.52x = 149,661.48 × 37,430.28
4. Step 4: Simplify right side
   99,803.52x = 5,601,871,101.61
5. Step 5: Solve for x
   x = 5,601,871,101.61/99,803.52
6. Step 6: Final answer
   x = 56,128.99