Finding the Fourth Proportional to 57,004,398.61, 78,663,962.58 and 30,898,355.93

Step by Step Solution

1. Step 1: Write the proportion equation
   57,004,398.61 : 78,663,962.58 = 30,898,355.93 : x
2. Step 2: Convert to fraction form
   57,004,398.61/78,663,962.58 = 30,898,355.93/x
3. Step 3: Cross multiply
   57,004,398.61x = 78,663,962.58 × 30,898,355.93
4. Step 4: Simplify right side
   57,004,398.61x = 2,430,587,115,063,116.50
5. Step 5: Solve for x
   x = 2,430,587,115,063,116.50/57,004,398.61
6. Step 6: Final answer
   x = 42,638,588.85