Finding the Fourth Proportional to 83,987.30, 115,900.10 and 45,745.98

Step by Step Solution

1. Step 1: Write the proportion equation
   83,987.30 : 115,900.10 = 45,745.98 : x
2. Step 2: Convert to fraction form
   83,987.30/115,900.10 = 45,745.98/x
3. Step 3: Cross multiply
   83,987.30x = 115,900.10 × 45,745.98
4. Step 4: Simplify right side
   83,987.30x = 5,301,963,656.60
5. Step 5: Solve for x
   x = 5,301,963,656.60/83,987.30
6. Step 6: Final answer
   x = 63,128.16