Finding the Fourth Proportional to 57,033,817.18, 78,706,688.59 and 30,928,328.06

Step by Step Solution

1. Step 1: Write the proportion equation
   57,033,817.18 : 78,706,688.59 = 30,928,328.06 : x
2. Step 2: Convert to fraction form
   57,033,817.18/78,706,688.59 = 30,928,328.06/x
3. Step 3: Cross multiply
   57,033,817.18x = 78,706,688.59 × 30,928,328.06
4. Step 4: Simplify right side
   57,033,817.18x = 2,434,266,284,953,691.50
5. Step 5: Solve for x
   x = 2,434,266,284,953,691.50/57,033,817.18
6. Step 6: Final answer
   x = 42,681,104.04