Finding the Fourth Proportional to 1,091,674,188.72, 1,636,911,607.92 and 537,757,827.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091,674,188.72 : 1,636,911,607.92 = 537,757,827.12 : x
2. Step 2: Convert to fraction form
   1,091,674,188.72/1,636,911,607.92 = 537,757,827.12/x
3. Step 3: Cross multiply
   1,091,674,188.72x = 1,636,911,607.92 × 537,757,827.12
4. Step 4: Simplify right side
   1,091,674,188.72x = 880,262,029,462,564,608
5. Step 5: Solve for x
   x = 880,262,029,462,564,608/1,091,674,188.72
6. Step 6: Final answer
   x = 806,341,341.18