Finding the Fourth Proportional to 1,064,892,918.72, 1,604,608,056.72 and 875,056,878.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,892,918.72 : 1,604,608,056.72 = 875,056,878.96 : x
2. Step 2: Convert to fraction form
   1,064,892,918.72/1,604,608,056.72 = 875,056,878.96/x
3. Step 3: Cross multiply
   1,064,892,918.72x = 1,604,608,056.72 × 875,056,878.96
4. Step 4: Simplify right side
   1,064,892,918.72x = 1,404,123,318,067,473,920
5. Step 5: Solve for x
   x = 1,404,123,318,067,473,920/1,064,892,918.72
6. Step 6: Final answer
   x = 1,318,558,226.26