Finding the Fourth Proportional to 42,801,814.89, 64,189,235.79 and 14,041,248.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,801,814.89 : 64,189,235.79 = 14,041,248.57 : x
2. Step 2: Convert to fraction form
   42,801,814.89/64,189,235.79 = 14,041,248.57/x
3. Step 3: Cross multiply
   42,801,814.89x = 64,189,235.79 × 14,041,248.57
4. Step 4: Simplify right side
   42,801,814.89x = 901,297,015,245,730.38
5. Step 5: Solve for x
   x = 901,297,015,245,730.38/42,801,814.89
6. Step 6: Final answer
   x = 21,057,448.56