Finding the Fourth Proportional to 156,688,498.10, 219,590,645.50 and 156,688,498.10

Step by Step Solution

1. Step 1: Write the proportion equation
   156,688,498.10 : 219,590,645.50 = 156,688,498.10 : x
2. Step 2: Convert to fraction form
   156,688,498.10/219,590,645.50 = 156,688,498.10/x
3. Step 3: Cross multiply
   156,688,498.10x = 219,590,645.50 × 156,688,498.10
4. Step 4: Simplify right side
   156,688,498.10x = 34,407,328,440,204,524
5. Step 5: Solve for x
   x = 34,407,328,440,204,524/156,688,498.10
6. Step 6: Final answer
   x = 219,590,645.50