Finding the Fourth Proportional to 202,537,789.62, 279,501,897.15 and 109,718,681.10

Step by Step Solution

1. Step 1: Write the proportion equation
   202,537,789.62 : 279,501,897.15 = 109,718,681.10 : x
2. Step 2: Convert to fraction form
   202,537,789.62/279,501,897.15 = 109,718,681.10/x
3. Step 3: Cross multiply
   202,537,789.62x = 279,501,897.15 × 109,718,681.10
4. Step 4: Simplify right side
   202,537,789.62x = 30,666,579,520,245,844
5. Step 5: Solve for x
   x = 30,666,579,520,245,844/202,537,789.62
6. Step 6: Final answer
   x = 151,411,643.12