Finding the Fourth Proportional to 23,970,112.58, 33,078,741.11 and 12,956,862.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,970,112.58 : 33,078,741.11 = 12,956,862.47 : x
2. Step 2: Convert to fraction form
   23,970,112.58/33,078,741.11 = 12,956,862.47/x
3. Step 3: Cross multiply
   23,970,112.58x = 33,078,741.11 × 12,956,862.47
4. Step 4: Simplify right side
   23,970,112.58x = 428,596,699,061,415.38
5. Step 5: Solve for x
   x = 428,596,699,061,415.38/23,970,112.58
6. Step 6: Final answer
   x = 17,880,462.50