Finding the Fourth Proportional to 7,152,931.68, 9,870,848.88 and 3,933,667.68

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152,931.68 : 9,870,848.88 = 3,933,667.68 : x
2. Step 2: Convert to fraction form
   7,152,931.68/9,870,848.88 = 3,933,667.68/x
3. Step 3: Cross multiply
   7,152,931.68x = 9,870,848.88 × 3,933,667.68
4. Step 4: Simplify right side
   7,152,931.68x = 38,828,639,213,420.20
5. Step 5: Solve for x
   x = 38,828,639,213,420.20/7,152,931.68
6. Step 6: Final answer
   x = 5,428,353.15