Finding the Fourth Proportional to 12,365,830.78, 18,523,945.59 and 6,300,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,365,830.78 : 18,523,945.59 = 6,300,317.50 : x
2. Step 2: Convert to fraction form
   12,365,830.78/18,523,945.59 = 6,300,317.50/x
3. Step 3: Cross multiply
   12,365,830.78x = 18,523,945.59 × 6,300,317.50
4. Step 4: Simplify right side
   12,365,830.78x = 116,706,738,499,788.77
5. Step 5: Solve for x
   x = 116,706,738,499,788.77/12,365,830.78
6. Step 6: Final answer
   x = 9,437,840.50