Finding the Fourth Proportional to 137,404.17, 189,616.01 and 76,973.72

Step by Step Solution

1. Step 1: Write the proportion equation
   137,404.17 : 189,616.01 = 76,973.72 : x
2. Step 2: Convert to fraction form
   137,404.17/189,616.01 = 76,973.72/x
3. Step 3: Cross multiply
   137,404.17x = 189,616.01 × 76,973.72
4. Step 4: Simplify right side
   137,404.17x = 14,595,448,328.31
5. Step 5: Solve for x
   x = 14,595,448,328.31/137,404.17
6. Step 6: Final answer
   x = 106,222.75