Finding the Fourth Proportional to 141,774,978.72, 195,649,644.96 and 76,584,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   141,774,978.72 : 195,649,644.96 = 76,584,882.72 : x
2. Step 2: Convert to fraction form
   141,774,978.72/195,649,644.96 = 76,584,882.72/x
3. Step 3: Cross multiply
   141,774,978.72x = 195,649,644.96 × 76,584,882.72
4. Step 4: Simplify right side
   141,774,978.72x = 14,983,805,113,471,240
5. Step 5: Solve for x
   x = 14,983,805,113,471,240/141,774,978.72
6. Step 6: Final answer
   x = 105,687,232.32