Finding the Fourth Proportional to 1,889,026,068.69, 2,830,875,591.27 and 891,983,293.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889,026,068.69 : 2,830,875,591.27 = 891,983,293.63 : x
2. Step 2: Convert to fraction form
   1,889,026,068.69/2,830,875,591.27 = 891,983,293.63/x
3. Step 3: Cross multiply
   1,889,026,068.69x = 2,830,875,591.27 × 891,983,293.63
4. Step 4: Simplify right side
   1,889,026,068.69x = 2,525,093,733,754,011,648
5. Step 5: Solve for x
   x = 2,525,093,733,754,011,648/1,889,026,068.69
6. Step 6: Final answer
   x = 1,336,717,251.08