Finding the Fourth Proportional to 139,441,820.83, 208,920,335.02 and 97,854,495.86

Step by Step Solution

1. Step 1: Write the proportion equation
   139,441,820.83 : 208,920,335.02 = 97,854,495.86 : x
2. Step 2: Convert to fraction form
   139,441,820.83/208,920,335.02 = 97,854,495.86/x
3. Step 3: Cross multiply
   139,441,820.83x = 208,920,335.02 × 97,854,495.86
4. Step 4: Simplify right side
   139,441,820.83x = 20,443,794,058,562,068
5. Step 5: Solve for x
   x = 20,443,794,058,562,068/139,441,820.83
6. Step 6: Final answer
   x = 146,611,640.16