Finding the Fourth Proportional to 58,116.78, 80,210.34 and 35,460.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,116.78 : 80,210.34 = 35,460.72 : x
2. Step 2: Convert to fraction form
   58,116.78/80,210.34 = 35,460.72/x
3. Step 3: Cross multiply
   58,116.78x = 80,210.34 × 35,460.72
4. Step 4: Simplify right side
   58,116.78x = 2,844,316,407.84
5. Step 5: Solve for x
   x = 2,844,316,407.84/58,116.78
6. Step 6: Final answer
   x = 48,941.40