Finding the Fourth Proportional to 124,648,019.40, 172,035,191.76 and 84,395,759.52

Step by Step Solution

1. Step 1: Write the proportion equation
   124,648,019.40 : 172,035,191.76 = 84,395,759.52 : x
2. Step 2: Convert to fraction form
   124,648,019.40/172,035,191.76 = 84,395,759.52/x
3. Step 3: Cross multiply
   124,648,019.40x = 172,035,191.76 × 84,395,759.52
4. Step 4: Simplify right side
   124,648,019.40x = 14,519,040,672,754,044
5. Step 5: Solve for x
   x = 14,519,040,672,754,044/124,648,019.40
6. Step 6: Final answer
   x = 116,480,315.87