Finding the Fourth Proportional to 99,364.64, 148,979.48 and 50,558.00

Step by Step Solution

1. Step 1: Write the proportion equation
   99,364.64 : 148,979.48 = 50,558.00 : x
2. Step 2: Convert to fraction form
   99,364.64/148,979.48 = 50,558.00/x
3. Step 3: Cross multiply
   99,364.64x = 148,979.48 × 50,558.00
4. Step 4: Simplify right side
   99,364.64x = 7,532,103,552.15
5. Step 5: Solve for x
   x = 7,532,103,552.15/99,364.64
6. Step 6: Final answer
   x = 75,802.66