Finding the Fourth Proportional to 13,671,278.96, 18,865,991.72 and 7,559,498.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,671,278.96 : 18,865,991.72 = 7,559,498.48 : x
2. Step 2: Convert to fraction form
   13,671,278.96/18,865,991.72 = 7,559,498.48/x
3. Step 3: Cross multiply
   13,671,278.96x = 18,865,991.72 × 7,559,498.48
4. Step 4: Simplify right side
   13,671,278.96x = 142,617,435,731,032.59
5. Step 5: Solve for x
   x = 142,617,435,731,032.59/13,671,278.96
6. Step 6: Final answer
   x = 10,431,901.52