Finding the Fourth Proportional to 1,531,068.67, 2,112,305.61 and 1,528,706.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,531,068.67 : 2,112,305.61 = 1,528,706.71 : x
2. Step 2: Convert to fraction form
   1,531,068.67/2,112,305.61 = 1,528,706.71/x
3. Step 3: Cross multiply
   1,531,068.67x = 2,112,305.61 × 1,528,706.71
4. Step 4: Simplify right side
   1,531,068.67x = 3,229,095,759,577.64
5. Step 5: Solve for x
   x = 3,229,095,759,577.64/1,531,068.67
6. Step 6: Final answer
   x = 2,109,046.98