Finding the Fourth Proportional to 86,547.42, 119,434.50 and 48,820.86

Step by Step Solution

1. Step 1: Write the proportion equation
   86,547.42 : 119,434.50 = 48,820.86 : x
2. Step 2: Convert to fraction form
   86,547.42/119,434.50 = 48,820.86/x
3. Step 3: Cross multiply
   86,547.42x = 119,434.50 × 48,820.86
4. Step 4: Simplify right side
   86,547.42x = 5,830,895,003.67
5. Step 5: Solve for x
   x = 5,830,895,003.67/86,547.42
6. Step 6: Final answer
   x = 67,372.26