Finding the Fourth Proportional to 141,101,826.30, 194,713,939.80 and 78,381,989.46

Step by Step Solution

1. Step 1: Write the proportion equation
   141,101,826.30 : 194,713,939.80 = 78,381,989.46 : x
2. Step 2: Convert to fraction form
   141,101,826.30/194,713,939.80 = 78,381,989.46/x
3. Step 3: Cross multiply
   141,101,826.30x = 194,713,939.80 × 78,381,989.46
4. Step 4: Simplify right side
   141,101,826.30x = 15,262,065,977,118,674
5. Step 5: Solve for x
   x = 15,262,065,977,118,674/141,101,826.30
6. Step 6: Final answer
   x = 108,163,489.99