Finding the Fourth Proportional to 1,142,928,830.76, 1,714,563,602.50 and 405,936,818.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,928,830.76 : 1,714,563,602.50 = 405,936,818.34 : x
2. Step 2: Convert to fraction form
   1,142,928,830.76/1,714,563,602.50 = 405,936,818.34/x
3. Step 3: Cross multiply
   1,142,928,830.76x = 1,714,563,602.50 × 405,936,818.34
4. Step 4: Simplify right side
   1,142,928,830.76x = 696,004,493,640,418,432
5. Step 5: Solve for x
   x = 696,004,493,640,418,432/1,142,928,830.76
6. Step 6: Final answer
   x = 608,965,733.39