Finding the Fourth Proportional to 23,153,471.61, 31,951,836.98 and 12,699,573.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,153,471.61 : 31,951,836.98 = 12,699,573.35 : x
2. Step 2: Convert to fraction form
   23,153,471.61/31,951,836.98 = 12,699,573.35/x
3. Step 3: Cross multiply
   23,153,471.61x = 31,951,836.98 × 12,699,573.35
4. Step 4: Simplify right side
   23,153,471.61x = 405,774,697,171,495.50
5. Step 5: Solve for x
   x = 405,774,697,171,495.50/23,153,471.61
6. Step 6: Final answer
   x = 17,525,436.53