Finding the Fourth Proportional to 10,308,530.32, 15,455,970.42 and 4,918,012.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308,530.32 : 15,455,970.42 = 4,918,012.72 : x
2. Step 2: Convert to fraction form
   10,308,530.32/15,455,970.42 = 4,918,012.72/x
3. Step 3: Cross multiply
   10,308,530.32x = 15,455,970.42 × 4,918,012.72
4. Step 4: Simplify right side
   10,308,530.32x = 76,012,659,125,503.73
5. Step 5: Solve for x
   x = 76,012,659,125,503.73/10,308,530.32
6. Step 6: Final answer
   x = 7,373,762.97