Finding the Fourth Proportional to 94,820.76, 130,832.28 and 56,570.04

Step by Step Solution

1. Step 1: Write the proportion equation
   94,820.76 : 130,832.28 = 56,570.04 : x
2. Step 2: Convert to fraction form
   94,820.76/130,832.28 = 56,570.04/x
3. Step 3: Cross multiply
   94,820.76x = 130,832.28 × 56,570.04
4. Step 4: Simplify right side
   94,820.76x = 7,401,187,312.89
5. Step 5: Solve for x
   x = 7,401,187,312.89/94,820.76
6. Step 6: Final answer
   x = 78,054.50