Finding the Fourth Proportional to 83,312.96, 114,971.52 and 45,072.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,312.96 : 114,971.52 = 45,072.56 : x
2. Step 2: Convert to fraction form
   83,312.96/114,971.52 = 45,072.56/x
3. Step 3: Cross multiply
   83,312.96x = 114,971.52 × 45,072.56
4. Step 4: Simplify right side
   83,312.96x = 5,182,060,733.49
5. Step 5: Solve for x
   x = 5,182,060,733.49/83,312.96
6. Step 6: Final answer
   x = 62,199.94