Finding the Fourth Proportional to 58,360,425.53, 80,485,258.72 and 48,421,573.10

Step by Step Solution

1. Step 1: Write the proportion equation
   58,360,425.53 : 80,485,258.72 = 48,421,573.10 : x
2. Step 2: Convert to fraction form
   58,360,425.53/80,485,258.72 = 48,421,573.10/x
3. Step 3: Cross multiply
   58,360,425.53x = 80,485,258.72 × 48,421,573.10
4. Step 4: Simplify right side
   58,360,425.53x = 3,897,222,838,452,022.50
5. Step 5: Solve for x
   x = 3,897,222,838,452,022.50/58,360,425.53
6. Step 6: Final answer
   x = 66,778,519.91