Finding the Fourth Proportional to 64,592,835.59, 89,153,074.17 and 42,570,248.60

Step by Step Solution

1. Step 1: Write the proportion equation
   64,592,835.59 : 89,153,074.17 = 42,570,248.60 : x
2. Step 2: Convert to fraction form
   64,592,835.59/89,153,074.17 = 42,570,248.60/x
3. Step 3: Cross multiply
   64,592,835.59x = 89,153,074.17 × 42,570,248.60
4. Step 4: Simplify right side
   64,592,835.59x = 3,795,268,530,871,139
5. Step 5: Solve for x
   x = 3,795,268,530,871,139/64,592,835.59
6. Step 6: Final answer
   x = 58,756,803.23