Finding the Fourth Proportional to 97,870.50, 135,072.81 and 58,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   97,870.50 : 135,072.81 = 58,126.50 : x
2. Step 2: Convert to fraction form
   97,870.50/135,072.81 = 58,126.50/x
3. Step 3: Cross multiply
   97,870.50x = 135,072.81 × 58,126.50
4. Step 4: Simplify right side
   97,870.50x = 7,851,309,690.47
5. Step 5: Solve for x
   x = 7,851,309,690.47/97,870.50
6. Step 6: Final answer
   x = 80,221.41