Finding the Fourth Proportional to 58,488.08, 80,618.74 and 45,718.70

Step by Step Solution

1. Step 1: Write the proportion equation
   58,488.08 : 80,618.74 = 45,718.70 : x
2. Step 2: Convert to fraction form
   58,488.08/80,618.74 = 45,718.70/x
3. Step 3: Cross multiply
   58,488.08x = 80,618.74 × 45,718.70
4. Step 4: Simplify right side
   58,488.08x = 3,685,783,988.44
5. Step 5: Solve for x
   x = 3,685,783,988.44/58,488.08
6. Step 6: Final answer
   x = 63,017.70