Finding the Fourth Proportional to 113,870.84, 157,143.31 and 62,887.01

Step by Step Solution

1. Step 1: Write the proportion equation
   113,870.84 : 157,143.31 = 62,887.01 : x
2. Step 2: Convert to fraction form
   113,870.84/157,143.31 = 62,887.01/x
3. Step 3: Cross multiply
   113,870.84x = 157,143.31 × 62,887.01
4. Step 4: Simplify right side
   113,870.84x = 9,882,271,964.47
5. Step 5: Solve for x
   x = 9,882,271,964.47/113,870.84
6. Step 6: Final answer
   x = 86,784.93