Finding the Fourth Proportional to 10,078,992.81, 15,094,946.30 and 9,265,140.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078,992.81 : 15,094,946.30 = 9,265,140.59 : x
2. Step 2: Convert to fraction form
   10,078,992.81/15,094,946.30 = 9,265,140.59/x
3. Step 3: Cross multiply
   10,078,992.81x = 15,094,946.30 × 9,265,140.59
4. Step 4: Simplify right side
   10,078,992.81x = 139,856,799,546,199.89
5. Step 5: Solve for x
   x = 139,856,799,546,199.89/10,078,992.81
6. Step 6: Final answer
   x = 13,876,068.99