Finding the Fourth Proportional to 99,976, 137,967.04 and 55,264

Step by Step Solution

1. Step 1: Write the proportion equation
   99,976 : 137,967.04 = 55,264 : x
2. Step 2: Convert to fraction form
   99,976/137,967.04 = 55,264/x
3. Step 3: Cross multiply
   99,976x = 137,967.04 × 55,264
4. Step 4: Simplify right side
   99,976x = 7,624,610,498.56
5. Step 5: Solve for x
   x = 7,624,610,498.56/99,976
6. Step 6: Final answer
   x = 76,264.41