Finding the Fourth Proportional to 45,522,939.69, 68,306,829.48 and 21,258,340.10

Step by Step Solution

1. Step 1: Write the proportion equation
   45,522,939.69 : 68,306,829.48 = 21,258,340.10 : x
2. Step 2: Convert to fraction form
   45,522,939.69/68,306,829.48 = 21,258,340.10/x
3. Step 3: Cross multiply
   45,522,939.69x = 68,306,829.48 × 21,258,340.10
4. Step 4: Simplify right side
   45,522,939.69x = 1,452,089,811,897,012
5. Step 5: Solve for x
   x = 1,452,089,811,897,012/45,522,939.69
6. Step 6: Final answer
   x = 31,897,979.83