Finding the Fourth Proportional to 10,085,337.51, 13,918,931.78 and 5,615,342.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085,337.51 : 13,918,931.78 = 5,615,342.79 : x
2. Step 2: Convert to fraction form
   10,085,337.51/13,918,931.78 = 5,615,342.79/x
3. Step 3: Cross multiply
   10,085,337.51x = 13,918,931.78 × 5,615,342.79
4. Step 4: Simplify right side
   10,085,337.51x = 78,159,573,187,248.16
5. Step 5: Solve for x
   x = 78,159,573,187,248.16/10,085,337.51
6. Step 6: Final answer
   x = 7,749,822.27