Finding the Fourth Proportional to 113,603,510.62, 156,779,870.25 and 62,682,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   113,603,510.62 : 156,779,870.25 = 62,682,100.25 : x
2. Step 2: Convert to fraction form
   113,603,510.62/156,779,870.25 = 62,682,100.25/x
3. Step 3: Cross multiply
   113,603,510.62x = 156,779,870.25 × 62,682,100.25
4. Step 4: Simplify right side
   113,603,510.62x = 9,827,291,544,192,492
5. Step 5: Solve for x
   x = 9,827,291,544,192,492/113,603,510.62
6. Step 6: Final answer
   x = 86,505,174.80