Finding the Fourth Proportional to 13,997,920.50, 19,317,130.56 and 7,559,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,997,920.50 : 19,317,130.56 = 7,559,392.50 : x
2. Step 2: Convert to fraction form
   13,997,920.50/19,317,130.56 = 7,559,392.50/x
3. Step 3: Cross multiply
   13,997,920.50x = 19,317,130.56 × 7,559,392.50
4. Step 4: Simplify right side
   13,997,920.50x = 146,025,771,876,784.78
5. Step 5: Solve for x
   x = 146,025,771,876,784.78/13,997,920.50
6. Step 6: Final answer
   x = 10,431,961.80