Finding the Fourth Proportional to 114,405.84, 157,875.84 and 63,420.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,405.84 : 157,875.84 = 63,420.72 : x
2. Step 2: Convert to fraction form
   114,405.84/157,875.84 = 63,420.72/x
3. Step 3: Cross multiply
   114,405.84x = 157,875.84 × 63,420.72
4. Step 4: Simplify right side
   114,405.84x = 10,012,599,443.40
5. Step 5: Solve for x
   x = 10,012,599,443.40/114,405.84
6. Step 6: Final answer
   x = 87,518.25