Finding the Fourth Proportional to 99,189,139.33, 148,642,411.71 and 73,076,080.49

Step by Step Solution

1. Step 1: Write the proportion equation
   99,189,139.33 : 148,642,411.71 = 73,076,080.49 : x
2. Step 2: Convert to fraction form
   99,189,139.33/148,642,411.71 = 73,076,080.49/x
3. Step 3: Cross multiply
   99,189,139.33x = 148,642,411.71 × 73,076,080.49
4. Step 4: Simplify right side
   99,189,139.33x = 10,862,204,842,347,678
5. Step 5: Solve for x
   x = 10,862,204,842,347,678/99,189,139.33
6. Step 6: Final answer
   x = 109,510,022.12