Finding the Fourth Proportional to 43,348,978.50, 64,977,950.60 and 14,585,128.03

Step by Step Solution

1. Step 1: Write the proportion equation
   43,348,978.50 : 64,977,950.60 = 14,585,128.03 : x
2. Step 2: Convert to fraction form
   43,348,978.50/64,977,950.60 = 14,585,128.03/x
3. Step 3: Cross multiply
   43,348,978.50x = 64,977,950.60 × 14,585,128.03
4. Step 4: Simplify right side
   43,348,978.50x = 947,711,728,628,015.25
5. Step 5: Solve for x
   x = 947,711,728,628,015.25/43,348,978.50
6. Step 6: Final answer
   x = 21,862,377.42