Finding the Fourth Proportional to 10,117,976.72, 13,962,643.80 and 5,534,258

Step by Step Solution

1. Step 1: Write the proportion equation
   10,117,976.72 : 13,962,643.80 = 5,534,258 : x
2. Step 2: Convert to fraction form
   10,117,976.72/13,962,643.80 = 5,534,258/x
3. Step 3: Cross multiply
   10,117,976.72x = 13,962,643.80 × 5,534,258
4. Step 4: Simplify right side
   10,117,976.72x = 77,272,873,151,300.41
5. Step 5: Solve for x
   x = 77,272,873,151,300.41/10,117,976.72
6. Step 6: Final answer
   x = 7,637,186.30