Finding the Fourth Proportional to 57,036,484, 78,710,386.32 and 30,930,993.76

Step by Step Solution

1. Step 1: Write the proportion equation
   57,036,484 : 78,710,386.32 = 30,930,993.76 : x
2. Step 2: Convert to fraction form
   57,036,484/78,710,386.32 = 30,930,993.76/x
3. Step 3: Cross multiply
   57,036,484x = 78,710,386.32 × 30,930,993.76
4. Step 4: Simplify right side
   57,036,484x = 2,434,590,468,111,109.50
5. Step 5: Solve for x
   x = 2,434,590,468,111,109.50/57,036,484
6. Step 6: Final answer
   x = 42,684,792.21