Finding the Fourth Proportional to 42,923,522.93, 64,385,673.62 and 12,218,090.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,923,522.93 : 64,385,673.62 = 12,218,090.22 : x
2. Step 2: Convert to fraction form
   42,923,522.93/64,385,673.62 = 12,218,090.22/x
3. Step 3: Cross multiply
   42,923,522.93x = 64,385,673.62 × 12,218,090.22
4. Step 4: Simplify right side
   42,923,522.93x = 786,669,969,189,436.75
5. Step 5: Solve for x
   x = 786,669,969,189,436.75/42,923,522.93
6. Step 6: Final answer
   x = 18,327,246.12