Finding the Fourth Proportional to 45,259,063.37, 67,932,438.94 and 42,801,148.74

Step by Step Solution

1. Step 1: Write the proportion equation
   45,259,063.37 : 67,932,438.94 = 42,801,148.74 : x
2. Step 2: Convert to fraction form
   45,259,063.37/67,932,438.94 = 42,801,148.74/x
3. Step 3: Cross multiply
   45,259,063.37x = 67,932,438.94 × 42,801,148.74
4. Step 4: Simplify right side
   45,259,063.37x = 2,907,586,423,409,399.50
5. Step 5: Solve for x
   x = 2,907,586,423,409,399.50/45,259,063.37
6. Step 6: Final answer
   x = 64,243,185.94