Finding the Fourth Proportional to 64,592,835.09, 89,153,073.48 and 42,570,248.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,592,835.09 : 89,153,073.48 = 42,570,248.10 : x
2. Step 2: Convert to fraction form
   64,592,835.09/89,153,073.48 = 42,570,248.10/x
3. Step 3: Cross multiply
   64,592,835.09x = 89,153,073.48 × 42,570,248.10
4. Step 4: Simplify right side
   64,592,835.09x = 3,795,268,456,921,130.50
5. Step 5: Solve for x
   x = 3,795,268,456,921,130.50/64,592,835.09
6. Step 6: Final answer
   x = 58,756,802.54