Finding the Fourth Proportional to 63,888.89, 88,106.87 and 50,492.15

Step by Step Solution

1. Step 1: Write the proportion equation
   63,888.89 : 88,106.87 = 50,492.15 : x
2. Step 2: Convert to fraction form
   63,888.89/88,106.87 = 50,492.15/x
3. Step 3: Cross multiply
   63,888.89x = 88,106.87 × 50,492.15
4. Step 4: Simplify right side
   63,888.89x = 4,448,704,823.34
5. Step 5: Solve for x
   x = 4,448,704,823.34/63,888.89
6. Step 6: Final answer
   x = 69,631.90