Finding the Fourth Proportional to 146,291,663.94, 219,474,115.61 and 42,660,881.30

Step by Step Solution

1. Step 1: Write the proportion equation
   146,291,663.94 : 219,474,115.61 = 42,660,881.30 : x
2. Step 2: Convert to fraction form
   146,291,663.94/219,474,115.61 = 42,660,881.30/x
3. Step 3: Cross multiply
   146,291,663.94x = 219,474,115.61 × 42,660,881.30
4. Step 4: Simplify right side
   146,291,663.94x = 9,362,959,193,150,012
5. Step 5: Solve for x
   x = 9,362,959,193,150,012/146,291,663.94
6. Step 6: Final answer
   x = 64,002,000.80